9e364ccf2384a19973de23c0b730e50a84a250f915e09253e77740baa69eb9bb

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-11-2024 09:07

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General

Target

Bin1799/SkinH.dll
Size

89KB
MD5

205e3693cb24b95018eaee62af86ae03
SHA1

038749709bb472031c000557e57857222619dcd5
SHA256

4954323e4532552e5b3691986d579fdce8ebe60b6ec1eb049658103e05c9d52d
SHA512

4115d76eb964e8c84810ca1cb7758c74ef80d99168f38fb9ce036cea58f69b6579eabc16527b529a7f390f220d71952cbbcda84d20a05ef881714cf2c9a645cf
SSDEEP

1536:i0FjTj6ETvveOsaXY9oq6e8+NUUramdPlVoCi2l3PgCfHmYWmqh0NAGNYyq98M0/:i26aHJsa/qRU4h3PHfYmqOYz2ETOFdCY

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral31/memory/2612-2-0x0000000010000000-0x000000001003B000-memory.dmp	upx
behavioral31/memory/2612-4-0x0000000010000000-0x000000001003B000-memory.dmp	upx
behavioral31/memory/2612-6-0x0000000010000000-0x000000001003B000-memory.dmp	upx
behavioral31/memory/2612-5-0x0000000010000000-0x000000001003B000-memory.dmp	upx
behavioral31/memory/2612-7-0x0000000010000000-0x000000001003B000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2012	2612	WerFault.exe	31

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2612	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2452 wrote to memory of 2612	2452	rundll32.exe	31
PID 2452 wrote to memory of 2612	2452	rundll32.exe	31
PID 2452 wrote to memory of 2612	2452	rundll32.exe	31
PID 2452 wrote to memory of 2612	2452	rundll32.exe	31
PID 2452 wrote to memory of 2612	2452	rundll32.exe	31
PID 2452 wrote to memory of 2612	2452	rundll32.exe	31
PID 2452 wrote to memory of 2612	2452	rundll32.exe	31
PID 2612 wrote to memory of 2012	2612	rundll32.exe	32
PID 2612 wrote to memory of 2012	2612	rundll32.exe	32
PID 2612 wrote to memory of 2012	2612	rundll32.exe	32
PID 2612 wrote to memory of 2012	2612	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Bin1799\SkinH.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2452
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Bin1799\SkinH.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2612
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2612 -s 248
    3⤵
    - Program crash
    PID:2012

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2612-1-0x0000000010000000-0x000000001003B000-memory.dmp

Filesize
236KB

Download
memory/2612-2-0x0000000010000000-0x000000001003B000-memory.dmp

Filesize
236KB

Download
memory/2612-0-0x0000000010000000-0x000000001003B000-memory.dmp

Filesize
236KB

Download
memory/2612-4-0x0000000010000000-0x000000001003B000-memory.dmp

Filesize
236KB

Download
memory/2612-6-0x0000000010000000-0x000000001003B000-memory.dmp

Filesize
236KB

Download
memory/2612-5-0x0000000010000000-0x000000001003B000-memory.dmp

Filesize
236KB

Download
memory/2612-3-0x0000000010009000-0x000000001000A000-memory.dmp

Filesize
4KB

Download
memory/2612-7-0x0000000010000000-0x000000001003B000-memory.dmp

Filesize
236KB

Download